610154078490 has 768 divisors, whose sum is σ = 1912067389440. Its totient is φ = 134652672000.

The previous prime is 610154078449. The next prime is 610154078533. The reversal of 610154078490 is 94870451016.

610154078490 is a `hidden beast` number, since 6 + 1 + 0 + 154 + 0 + 7 + 8 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 6041129440 + ... + 6041129540.

It is an arithmetic number, because the mean of its divisors is an integer number (2489671080).

Almost surely, 2^610154078490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610154078490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956033694720).

610154078490 is an abundant number, since it is smaller than the sum of its proper divisors (1301913310950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610154078490 is a wasteful number, since it uses less digits than its factorization.

610154078490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 610154078490 in words is "six hundred ten billion, one hundred fifty-four million, seventy-eight thousand, four hundred ninety".